/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/ISpatialAcceleration.h
Can be implemented by external, non-chaos systems to collect / render debug information from spacial structures. When passed to the debug methods onISpatialAccelerationthe methods will be called out by the spacial structure if implemented for the external system to handle the actual drawing.
template<typename T> class ISpacialDebugDrawInterface